—IsMarysuretheexam?—Ithinkso.S

—Is Mary sure _______ the exam?
—I think so. She is good at math. I’m sure ______ she can pass it.

A．of passing to	B．of pass, that
C．to pass, that	D．to pass, of

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A．to use, how to use	B．to use, what to use
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---Oh, he’s my Chinese teacher, Mr Zhou．

A．what

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---I didn’t believe I could do it I got to the top．

A．until

B．unless

C．after

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A．photo

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